diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteWxaBusinessExtensions.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteWxaBusinessExtensions.cs
index 9c649c5d..de5d38a5 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteWxaBusinessExtensions.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteWxaBusinessExtensions.cs
@@ -33,6 +33,28 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
                 .SetQueryParam("access_token", request.AccessToken);
 
             return await client.SendRequestWithJsonAsync<Models.WxaBusinessGetPayForOrderResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
+        }
+
+
+        /// <summary>
+        /// <para>异步调用 [POST] /wxa/business/checkencryptedmsg 接口。</para>
+        /// <para>REF: https://developers.weixin.qq.com/miniprogram/dev/api-backend/open-api/user-info/auth.checkEncryptedData.html </para>
+        /// <para>REF: https://developers.weixin.qq.com/minigame/dev/api-backend/open-api/user-info/auth.checkEncryptedData.html </para>
+        /// </summary>
+        /// <param name="client"></param>
+        /// <param name="request"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public static async Task<Models.WxaBusinessCheckEncryptedMessageResponse> ExecuteWxaBusinessCheckEncryptedMessageAsync(this WechatApiClient client, Models.WxaBusinessCheckEncryptedMessageRequest request, CancellationToken cancellationToken = default)
+        {
+            if (client is null) throw new ArgumentNullException(nameof(client));
+            if (request is null) throw new ArgumentNullException(nameof(request));
+
+            IFlurlRequest flurlReq = client
+                .CreateRequest(request, HttpMethod.Post, "wxa", "business", "checkencryptedmsg")
+                .SetQueryParam("access_token", request.AccessToken);
+
+            return await client.SendRequestWithJsonAsync<Models.WxaBusinessCheckEncryptedMessageResponse>(flurlReq, data: request, cancellationToken: cancellationToken);
         }
 
         #region GameMatch
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/WxaBusiness/WxaBusinessCheckEncryptedMessageRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/WxaBusiness/WxaBusinessCheckEncryptedMessageRequest.cs
new file mode 100644
index 00000000..815cd259
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/WxaBusiness/WxaBusinessCheckEncryptedMessageRequest.cs
@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /wxa/business/checkencryptedmsg 接口的请求。</para>
+    /// </summary>
+    public class WxaBusinessCheckEncryptedMessageRequest : WechatApiRequest
+    {
+        /// <summary>
+        /// 获取或设置加密数据哈希值。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("encrypted_msg_hash")]
+        [System.Text.Json.Serialization.JsonPropertyName("encrypted_msg_hash")]
+        public string EncryptedMessageHash { get; set; } = string.Empty;
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/WxaBusiness/WxaBusinessCheckEncryptedMessageResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/WxaBusiness/WxaBusinessCheckEncryptedMessageResponse.cs
new file mode 100644
index 00000000..ce89840c
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/WxaBusiness/WxaBusinessCheckEncryptedMessageResponse.cs
@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /wxa/business/checkencryptedmsg 接口的响应。</para>
+    /// </summary>
+    public class WxaBusinessCheckEncryptedMessageResponse : WechatApiResponse
+    {
+        /// <summary>
+        /// 获取或设置是否是合法的数据。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("vaild")]
+        [System.Text.Json.Serialization.JsonPropertyName("vaild")]
+        public bool IsValid { get; set; }
+
+        /// <summary>
+        /// 获取或设置加密数据生成的时间戳。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("create_time")]
+        [System.Text.Json.Serialization.JsonPropertyName("create_time")]
+        public long CreateTimestamp { get; set; }
+    }
+}